1. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation Guangdong‐Hong Kong Joint Laboratory for RNA Medicine Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China
2. Medical Research Center Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China
3. Department of Hepatobiliary Surgery Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China
4. Department of Endocrinology Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China
5. Division of Functional Genome Analysis German Cancer Research Center (DKFZ) 69120 Heidelberg Germany
6. Key Laboratory of Carcinogenesis of the Chinese Ministry of Health and the Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education Central South University Changsha 410078 P. R. China
7. Cancer Research Institute Central South University Changsha 410078 P. R. China
8. Breast Tumor Center Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China